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<div class="header">
  <div class="headertitle"><div class="title">serialport.cpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - &lt;http://www.fabgl.com&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">  Copyright (c) 2019-2022 Fabrizio Di Vittorio.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">  All rights reserved.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"></span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">* Please contact fdivitto2013@gmail.com if you need a commercial license.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">* This library and related software is available under GPL v3.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"></span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">  FabGL is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">  it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">  the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">  (at your option) any later version.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"></span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">  FabGL is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">  but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">  GNU General Public License for more details.</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"></span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">  You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">  along with FabGL.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#if __has_include(&quot;esp32/rom/uart.h&quot;</span>)</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">  #include &quot;esp32/rom/uart.h&quot;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">  #include &quot;rom/uart.h&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &quot;soc/uart_reg.h&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;soc/uart_struct.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &quot;soc/io_mux_reg.h&quot;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &quot;soc/gpio_sig_map.h&quot;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;soc/dport_reg.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;soc/rtc.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &quot;esp_intr_alloc.h&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &quot;<a class="code" href="serialport_8h.html">serialport.h</a>&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keyword">namespace </span>fabgl {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> URXD_IN_IDX[]    = { U0RXD_IN_IDX, U1RXD_IN_IDX, U2RXD_IN_IDX };</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> UTXD_OUT_IDX[]   = { U0TXD_OUT_IDX, U1TXD_OUT_IDX, U2TXD_OUT_IDX };</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> INTR_SRC[]       = { ETS_UART0_INTR_SOURCE, ETS_UART1_INTR_SOURCE, ETS_UART2_INTR_SOURCE };</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="keyword">static</span> <span class="keyword">const</span> uint32_t UART_BASE[] = { DR_REG_UART_BASE, DR_REG_UART1_BASE, DR_REG_UART2_BASE };</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>SerialPort::SerialPort()</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>  : m_initialized(false),</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    m_RTSStatus(true),</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    m_DTRStatus(true),</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    m_flowControl(<a class="code hl_enumeration" href="group___enumerations_gae88006c219f95bae663fe0f2a2561dd7.html#gae88006c219f95bae663fe0f2a2561dd7">FlowControl</a>::None),</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    m_sentXOFF(false),</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    m_recvXOFF(false),</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    m_callbackArgs(nullptr),</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    m_rxReadyCallback(nullptr),</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    m_rxCallback(nullptr),</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    m_lineStatusCallback(nullptr),</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    m_parityError(false),</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    m_framingError(false),</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>    m_overflowError(false),</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>    m_breakDetected(false)</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>{</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>}</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="keywordtype">void</span> SerialPort::setCallbacks(<span class="keywordtype">void</span> * args, RXReadyCallback rxReadyCallback, RXCallback rxCallback, LineStatusCallback lineStatusCallback)</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>{</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  m_callbackArgs       = args;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>  m_rxReadyCallback    = rxReadyCallback;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  m_rxCallback         = rxCallback;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>  m_lineStatusCallback = lineStatusCallback;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>}</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">// returns number of bytes received (in the UART rx fifo buffer)</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="keywordtype">int</span> SerialPort::uartGetRXFIFOCount()</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>{</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>  <span class="keywordflow">return</span> m_dev-&gt;status.rxfifo_cnt | ((int)(m_dev-&gt;mem_cnt_status.rx_cnt) &lt;&lt; 8);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>}</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">// flushes TX buffer of UART</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="keywordtype">void</span> SerialPort::uartFlushTXFIFO()</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>{</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  <span class="keywordflow">while</span> (m_dev-&gt;status.txfifo_cnt || m_dev-&gt;status.st_utx_out)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    ;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>}</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">// flushes RX buffer of UART</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="keywordtype">void</span> SerialPort::uartFlushRXFIFO()</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>{</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>  <span class="keywordflow">while</span> (uartGetRXFIFOCount() != 0 || m_dev-&gt;mem_rx_status.wr_addr != m_dev-&gt;mem_rx_status.rd_addr)</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    m_dev-&gt;fifo.rw_byte;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>}</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a1612d5dfae8ceeaca66f09fff9ec6c46.html#a1612d5dfae8ceeaca66f09fff9ec6c46">  107</a></span><span class="keywordtype">void</span> SerialPort::setRTSStatus(<span class="keywordtype">bool</span> value)</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>{</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>  <span class="keywordflow">if</span> (m_rtsPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    m_RTSStatus = value;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    gpio_set_level(m_rtsPin, !value); <span class="comment">// low = asserted</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>  }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>}</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a2af5126b1f3b1d147d215343e9dde306.html#a2af5126b1f3b1d147d215343e9dde306">  116</a></span><span class="keywordtype">void</span> SerialPort::setDTRStatus(<span class="keywordtype">bool</span> value)</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>{</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>  <span class="keywordflow">if</span> (m_dtrPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    m_DTRStatus = value;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    gpio_set_level(m_dtrPin, !value); <span class="comment">// low = asserted</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>  }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>}</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_ab2a7ecccb5b97ac2321800385728b97c.html#ab2a7ecccb5b97ac2321800385728b97c">  125</a></span><span class="keywordtype">void</span> SerialPort::setSignals(<span class="keywordtype">int</span> rxPin, <span class="keywordtype">int</span> txPin, <span class="keywordtype">int</span> rtsPin, <span class="keywordtype">int</span> ctsPin, <span class="keywordtype">int</span> dtrPin, <span class="keywordtype">int</span> dsrPin, <span class="keywordtype">int</span> dcdPin, <span class="keywordtype">int</span> riPin)</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>{</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  <span class="comment">// RX (in)</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>  m_rxPin = int2gpio(rxPin);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  configureGPIO(m_rxPin, GPIO_MODE_INPUT);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>  </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  <span class="comment">// TX (out)</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  m_txPin = int2gpio(txPin);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  configureGPIO(m_txPin, GPIO_MODE_OUTPUT);</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>  <span class="comment">// RTS (out)</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>  m_rtsPin = int2gpio(rtsPin);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>  <span class="keywordflow">if</span> (m_rtsPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    configureGPIO(m_rtsPin, GPIO_MODE_OUTPUT);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>    setRTSStatus(<span class="keyword">true</span>); <span class="comment">// assert RTS</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>  }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>  <span class="comment">// DTR (out)</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>  m_dtrPin = int2gpio(dtrPin);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>  <span class="keywordflow">if</span> (m_dtrPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    configureGPIO(m_dtrPin, GPIO_MODE_OUTPUT);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    setDTRStatus(<span class="keyword">true</span>); <span class="comment">// assert DTR</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>  }</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>  <span class="comment">// CTS (in)</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>  m_ctsPin = int2gpio(ctsPin);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>  <span class="keywordflow">if</span> (m_ctsPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>    configureGPIO(m_ctsPin, GPIO_MODE_INPUT);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>  <span class="comment">// DSR (in)</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>  m_dsrPin = int2gpio(dsrPin);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>  <span class="keywordflow">if</span> (m_dsrPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>    configureGPIO(m_dsrPin, GPIO_MODE_INPUT);</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>  }</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>  <span class="comment">// DCD (in)</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>  m_dcdPin = int2gpio(dcdPin);</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>  <span class="keywordflow">if</span> (m_dcdPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    configureGPIO(m_dcdPin, GPIO_MODE_INPUT);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>  }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>  <span class="comment">// RI (in)</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  m_riPin = int2gpio(riPin);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>  <span class="keywordflow">if</span> (m_riPin != GPIO_UNUSED) {</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>    configureGPIO(m_riPin, GPIO_MODE_INPUT);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  }</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>}</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">// uart = 0, 1, 2</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a2325d457e2966a30ff6513ea3f6f9a3e.html#a2325d457e2966a30ff6513ea3f6f9a3e">  176</a></span><span class="keywordtype">void</span> SerialPort::setup(<span class="keywordtype">int</span> uartIndex, uint32_t baud, <span class="keywordtype">int</span> dataLength, <span class="keywordtype">char</span> parity, <span class="keywordtype">float</span> stopBits, <a class="code hl_enumeration" href="group___enumerations_gae88006c219f95bae663fe0f2a2561dd7.html#gae88006c219f95bae663fe0f2a2561dd7">FlowControl</a> flowControl, <span class="keywordtype">bool</span> inverted)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>{</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keywordflow">if</span> (!m_initialized) {</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    <span class="comment">// uart not configured, configure now</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    m_idx = uartIndex;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>    m_dev = (<span class="keyword">volatile</span> uart_dev_t *) UART_BASE[m_idx];</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    <span class="keywordflow">switch</span> (m_idx) {</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>      <span class="keywordflow">case</span> 0:</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="preprocessor">        #ifdef ARDUINO</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>        Serial.end();</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="preprocessor">        #endif</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>        DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART_CLK_EN);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>        DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART_RST);</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>      <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="preprocessor">        #ifdef ARDUINO</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>        Serial1.end();</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="preprocessor">        #endif</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>        DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART1_CLK_EN);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>        DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART1_RST);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>      <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="preprocessor">        #ifdef ARDUINO</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        Serial2.end();</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="preprocessor">        #endif</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART2_CLK_EN);</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART2_RST);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>        <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    }</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>    <span class="comment">// flush</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    uartFlushTXFIFO();</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>    uartFlushRXFIFO();</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    <span class="comment">// setup RX interrupt</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>    WRITE_PERI_REG(UART_CONF1_REG(m_idx), (1 &lt;&lt; UART_RXFIFO_FULL_THRHD_S) |      <span class="comment">// an interrupt for each character received</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>                                          (2 &lt;&lt; UART_RX_TOUT_THRHD_S)     |      <span class="comment">// actually not used</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>                                          (0 &lt;&lt; UART_RX_TOUT_EN_S));             <span class="comment">// timeout not enabled</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    WRITE_PERI_REG(UART_INT_ENA_REG(m_idx), (1 &lt;&lt; UART_RXFIFO_FULL_INT_ENA_S) |  <span class="comment">// interrupt on FIFO full (1 character - see rxfifo_full_thrhd)</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>                                            (1 &lt;&lt; UART_FRM_ERR_INT_ENA_S)     |  <span class="comment">// interrupt on frame error</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>                                            (0 &lt;&lt; UART_RXFIFO_TOUT_INT_ENA_S) |  <span class="comment">// no interrupt on rx timeout (see rx_tout_en and rx_tout_thrhd)</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>                                            (1 &lt;&lt; UART_PARITY_ERR_INT_ENA_S)  |  <span class="comment">// interrupt on rx parity error</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>                                            (1 &lt;&lt; UART_RXFIFO_OVF_INT_ENA_S)  |  <span class="comment">// interrupt on rx overflow</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>                                            (1 &lt;&lt; UART_BRK_DET_INT_ENA_S));        <span class="comment">// interrupt on Break</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    WRITE_PERI_REG(UART_INT_CLR_REG(m_idx), 0xffffffff);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    esp_intr_alloc_pinnedToCore(INTR_SRC[m_idx], 0, uart_isr, <span class="keyword">this</span>, <span class="keyword">nullptr</span>, CoreUsage::quietCore());</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    <span class="comment">// setup FIFOs size</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    WRITE_PERI_REG(UART_MEM_CONF_REG(m_idx), (3 &lt;&lt; UART_RX_SIZE_S) |    <span class="comment">// RX: 3 * 128 = 384 bytes (this is the max for UART2)</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>                                             (1 &lt;&lt; UART_TX_SIZE_S));    <span class="comment">// TX: 1 * 128 = 128 bytes</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>  }</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>  m_flowControl = flowControl;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>  </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  m_inverted    = inverted;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>  <span class="comment">// baud rate</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>  setBaud(baud);</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>  <span class="comment">// frame</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>  setFrame(dataLength, parity, stopBits);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>  <span class="comment">// TX/RX Pin logic</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>  gpio_matrix_in(m_rxPin, URXD_IN_IDX[m_idx], m_inverted);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>  gpio_matrix_out(m_txPin, UTXD_OUT_IDX[m_idx], m_inverted, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  <span class="comment">// Flow Control</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>  WRITE_PERI_REG(UART_FLOW_CONF_REG(m_idx), 0);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>  </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>  m_initialized = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>  <span class="comment">// APB Change callback (TODO?)</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>  <span class="comment">//addApbChangeCallback(this, uart_on_apb_change);</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>}</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a08771dc5021b5caf7d0ffd8938b0feda.html#a08771dc5021b5caf7d0ffd8938b0feda">  254</a></span><span class="keywordtype">void</span> SerialPort::setBaud(<span class="keywordtype">int</span> value)</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>{</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>  uint32_t clk_div = (getApbFrequency() &lt;&lt; 4) / value;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>  WRITE_PERI_REG(UART_CLKDIV_REG(m_idx), ((clk_div &gt;&gt; 4)  &lt;&lt; UART_CLKDIV_S) |</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>                                         ((clk_div &amp; 0xf) &lt;&lt; UART_CLKDIV_FRAG_S));</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>}</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a258f23d433f1e9c15f0fa86ea7f59e94.html#a258f23d433f1e9c15f0fa86ea7f59e94">  262</a></span><span class="keywordtype">void</span> SerialPort::setFrame(<span class="keywordtype">int</span> dataLength, <span class="keywordtype">char</span> parity, <span class="keywordtype">float</span> stopBits)</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>{</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>  uint32_t config0 = (1 &lt;&lt; UART_TICK_REF_ALWAYS_ON_S) | ((dataLength - 5) &lt;&lt; UART_BIT_NUM_S);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>  <span class="keywordflow">if</span> (parity == <span class="charliteral">&#39;E&#39;</span>)</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    config0 |= (1 &lt;&lt; UART_PARITY_EN_S);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (parity == <span class="charliteral">&#39;O&#39;</span>)</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>    config0 |= (1 &lt;&lt; UART_PARITY_EN_S) | (1 &lt;&lt; UART_PARITY_S);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>  <span class="keywordflow">if</span> (stopBits == 1.0)</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>    config0 |= 1 &lt;&lt; UART_STOP_BIT_NUM_S;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stopBits == 1.5)</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>    config0 |= 2 &lt;&lt; UART_STOP_BIT_NUM_S;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stopBits &gt;= 2.0) {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>    config0 |= 1 &lt;&lt; UART_STOP_BIT_NUM_S;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    SET_PERI_REG_BITS(UART_RS485_CONF_REG(m_idx), UART_DL1_EN_V, 1, UART_DL1_EN_S); <span class="comment">// additional 1 stop bit</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    <span class="keywordflow">if</span> (stopBits &gt;= 3.0)</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>      SET_PERI_REG_BITS(UART_RS485_CONF_REG(m_idx), UART_DL0_EN_V, 1, UART_DL1_EN_S); <span class="comment">// additional 1 stop bit</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>  }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>  WRITE_PERI_REG(UART_CONF0_REG(m_idx), config0);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>}</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">// enable/disable RX sending XON/XOFF and/or setting RTS</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_adf2404af2ad4bb11154ecb712b7b0c97.html#adf2404af2ad4bb11154ecb712b7b0c97">  284</a></span><span class="keywordtype">void</span> SerialPort::flowControl(<span class="keywordtype">bool</span> enableRX)</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>{</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>  <span class="keywordtype">bool</span> isrEnabled = m_dev-&gt;int_ena.rxfifo_full;</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>  CLEAR_PERI_REG_MASK(UART_INT_ENA_REG(m_idx), UART_RXFIFO_FULL_INT_ENA_M);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>  </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>  <span class="keywordflow">if</span> (enableRX) {</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>    <span class="comment">// resume RX</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    <span class="keywordflow">if</span> (m_sentXOFF) {</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>      <span class="keywordflow">if</span> (m_flowControl == FlowControl::Software || m_flowControl == FlowControl::Hardsoft)</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>        send(ASCII_XON);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>      <span class="keywordflow">if</span> (m_flowControl == FlowControl::Hardware || m_flowControl == FlowControl::Hardsoft)</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>        setRTSStatus(<span class="keyword">true</span>);            <span class="comment">// assert RTS</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>      isrEnabled = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>      m_sentXOFF = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    }</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    <span class="comment">// suspend RX</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>    <span class="keywordflow">if</span> (!m_sentXOFF) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>      <span class="keywordflow">if</span> (m_flowControl == FlowControl::Software || m_flowControl == FlowControl::Hardsoft)</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>        send(ASCII_XOFF);</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>      <span class="keywordflow">if</span> (m_flowControl == FlowControl::Hardware || m_flowControl == FlowControl::Hardsoft)</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        setRTSStatus(<span class="keyword">false</span>);           <span class="comment">// disable RTS</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>      <span class="comment">// note: here we don&#39;t disable FIFO interrupts. These are disabled in ISR when input queue is full</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>      m_sentXOFF = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    }</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>  }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>  </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>  <span class="keywordflow">if</span> (isrEnabled)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    SET_PERI_REG_MASK(UART_INT_ENA_REG(m_idx), UART_RXFIFO_FULL_INT_ENA_M); <span class="comment">// enable RX FIFO full interrupt</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>}</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">// check if TX is enabled looking for XOFF received or reading CTS</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_af8142810dfa41077384608e625d91a83.html#af8142810dfa41077384608e625d91a83">  317</a></span><span class="keywordtype">bool</span> SerialPort::readyToSend()</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>{</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>  <span class="comment">//Serial.printf(&quot;readyToSend m_recvXOFF=%d\n&quot;, m_recvXOFF);</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>  <span class="keywordflow">if</span> ((m_flowControl == FlowControl::Software || m_flowControl == FlowControl::Hardsoft) &amp;&amp; m_recvXOFF)</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// TX disabled (received XOFF)</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>  <span class="keywordflow">if</span> ((m_flowControl == FlowControl::Hardware || m_flowControl == FlowControl::Hardsoft) &amp;&amp; CTSStatus() == <span class="keyword">false</span>)</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// TX disabled (CTS=high, not active)</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;  <span class="comment">// TX enabled</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>}</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span> </div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_ac2c4347f8a0459fe5784e701494598ee.html#ac2c4347f8a0459fe5784e701494598ee">  328</a></span><span class="keywordtype">void</span> SerialPort::send(uint8_t value)</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>{</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>  <span class="keywordflow">while</span> (m_dev-&gt;status.txfifo_cnt == 0x7F)</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>    ;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>  WRITE_PERI_REG(UART_FIFO_AHB_REG(m_idx), value);</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>}</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="classfabgl_1_1_serial_port_a013585e92e02526bec54cf420abf9a06.html#a013585e92e02526bec54cf420abf9a06">  336</a></span><span class="keywordtype">void</span> SerialPort::sendBreak(<span class="keywordtype">bool</span> value)</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>{</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>  <span class="keyword">constexpr</span> <span class="keywordtype">int</span> MATRIX_DETACH_OUT_SIG = 0x100;</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>  <span class="keywordflow">while</span> (m_dev-&gt;status.txfifo_cnt == 0x7F)</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    ;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>  <span class="keywordflow">if</span> (value) {</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>    gpio_matrix_out(m_txPin, MATRIX_DETACH_OUT_SIG, m_inverted, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>    configureGPIO(m_txPin, GPIO_MODE_OUTPUT);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>    gpio_set_level(m_txPin, 0);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>    gpio_matrix_out(m_txPin, UTXD_OUT_IDX[m_idx], m_inverted, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>  }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>}</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span> </div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="keywordtype">void</span> IRAM_ATTR SerialPort::uart_isr(<span class="keywordtype">void</span> * arg)</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>{</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>  <span class="keyword">auto</span> ser = (<a class="code hl_class" href="classfabgl_1_1_serial_port.html">SerialPort</a>*) arg;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>  <span class="keyword">auto</span> dev = ser-&gt;m_dev;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>  <span class="keyword">auto</span> idx = ser-&gt;m_idx;</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>  <span class="comment">// look for overflow or RX errors</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>  <span class="keywordflow">if</span> (dev-&gt;int_st.rxfifo_ovf || dev-&gt;int_st.frm_err || dev-&gt;int_st.parity_err) {</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>    <span class="comment">// save (or) error states</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    ser-&gt;m_parityError   |= dev-&gt;int_st.parity_err;</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    ser-&gt;m_framingError  |= dev-&gt;int_st.frm_err;</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>    ser-&gt;m_overflowError |= dev-&gt;int_st.rxfifo_ovf;</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>    <span class="keywordflow">if</span> (ser-&gt;m_lineStatusCallback)</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>      ser-&gt;m_lineStatusCallback(ser-&gt;m_callbackArgs, ser-&gt;m_parityError, ser-&gt;m_framingError, ser-&gt;m_overflowError, ser-&gt;m_breakDetected, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>    <span class="comment">// reset RX-FIFO, because hardware bug rxfifo_rst cannot be used, so just flush</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>    ser-&gt;uartFlushRXFIFO();</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>    <span class="comment">// clear interrupt flags</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>    SET_PERI_REG_MASK(UART_INT_CLR_REG(idx), UART_RXFIFO_OVF_INT_CLR_M | UART_FRM_ERR_INT_CLR_M | UART_PARITY_ERR_INT_CLR_M);</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>  }</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>  </div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>  <span class="comment">// Break detection</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>  <span class="keywordflow">if</span> (dev-&gt;int_st.brk_det) {</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span>    <span class="comment">// save (or) break state</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>    ser-&gt;m_breakDetected |= dev-&gt;int_st.brk_det;</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>    <span class="keywordflow">if</span> (ser-&gt;m_lineStatusCallback)</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>      ser-&gt;m_lineStatusCallback(ser-&gt;m_callbackArgs, ser-&gt;m_parityError, ser-&gt;m_framingError, ser-&gt;m_overflowError, ser-&gt;m_breakDetected, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>    <span class="comment">// clear interrupt flags</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    SET_PERI_REG_MASK(UART_INT_CLR_REG(idx), UART_BRK_DET_INT_CLR_M);</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>  }</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>  <span class="comment">// flow control?</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>  <span class="keywordflow">if</span> (ser-&gt;m_flowControl != FlowControl::None) {</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>    <span class="comment">// send XOFF/XON or set RTS looking at RX FIFO occupation</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>    <span class="keywordtype">int</span> count = ser-&gt;uartGetRXFIFOCount();</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>    <span class="keywordflow">if</span> (count &gt; FABGLIB_TERMINAL_FLOWCONTROL_RXFIFO_MAX_THRESHOLD)</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>      ser-&gt;flowControl(<span class="keyword">false</span>); <span class="comment">// suspend RX</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (count &lt; FABGLIB_TERMINAL_FLOWCONTROL_RXFIFO_MIN_THRESHOLD)</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>      ser-&gt;flowControl(<span class="keyword">true</span>);  <span class="comment">// resume RX</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>  }</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span> </div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>  <span class="comment">// main receive loop</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>  <span class="keywordflow">while</span> (ser-&gt;uartGetRXFIFOCount() != 0 || dev-&gt;mem_rx_status.wr_addr != dev-&gt;mem_rx_status.rd_addr) {</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>    <span class="comment">// look for enough room in input queue</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>    <span class="keywordflow">if</span> (ser-&gt;m_flowControl != FlowControl::None &amp;&amp; !ser-&gt;m_rxReadyCallback(ser-&gt;m_callbackArgs, <span class="keyword">true</span>)) {</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>      ser-&gt;flowControl(<span class="keyword">false</span>);  <span class="comment">// suspend RX</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>      <span class="comment">// block further interrupts</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>      CLEAR_PERI_REG_MASK(UART_INT_ENA_REG(idx), UART_RXFIFO_FULL_INT_ENA_M);</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span>    }</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>    <span class="comment">// get char</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>    uint8_t r = READ_PERI_REG(UART_FIFO_REG(idx));</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>    <span class="comment">// XON/XOFF?</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>    <span class="keywordflow">if</span> ((r == ASCII_XOFF || r == ASCII_XON) &amp;&amp; (ser-&gt;m_flowControl == FlowControl::Software || ser-&gt;m_flowControl == FlowControl::Hardsoft)) {</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>      ser-&gt;m_recvXOFF = (r == ASCII_XOFF);</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span>      <span class="comment">// add to input queue</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>      ser-&gt;m_rxCallback(ser-&gt;m_callbackArgs, r, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>    }</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>  }</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>  <span class="comment">// clear interrupt flag</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>  SET_PERI_REG_MASK(UART_INT_CLR_REG(idx), UART_RXFIFO_FULL_INT_CLR_M);</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>}</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span> </div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment">// SerialPortTerminalConnector</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span> </div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>SerialPortTerminalConnector::SerialPortTerminalConnector()</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>  : m_terminal(nullptr),</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    m_serialPort(nullptr),</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>    m_serialPortRXEnabled(true)</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>{</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>}</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span> </div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>SerialPortTerminalConnector::SerialPortTerminalConnector(SerialPort * serialPort, Terminal * terminal)</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>  : SerialPortTerminalConnector()</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>{</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>  connect(serialPort, terminal);</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>}</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span><span class="keywordtype">void</span> SerialPortTerminalConnector::connect(SerialPort * serialPort, Terminal * terminal)</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>{</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>  m_serialPort = serialPort;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>  m_serialPort-&gt;setCallbacks(<span class="keyword">this</span>, rxReadyCallback, rxCallback);</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>  </div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>  m_terminal = terminal;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>  m_terminal-&gt;<a class="code hl_function" href="classfabgl_1_1_terminal_adb2e85d6b57420d26584c431fad05c37.html#adb2e85d6b57420d26584c431fad05c37">connectKeyboard</a>();</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>  </div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>  m_terminal-&gt;<a class="code hl_variable" href="classfabgl_1_1_terminal_adbd9347d9df529de3a38f645069f6f60.html#adbd9347d9df529de3a38f645069f6f60">onReceive</a> = [&amp;](uint8_t c) {</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>    <span class="comment">// resume RX?</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>    <span class="keywordflow">if</span> (!m_serialPort-&gt;<a class="code hl_function" href="classfabgl_1_1_serial_port_ab3aa6a8b37d2b4c5a1dfb4db904f660c.html#ab3aa6a8b37d2b4c5a1dfb4db904f660c">readyToReceive</a>() &amp;&amp; m_terminal-&gt;<a class="code hl_function" href="classfabgl_1_1_terminal_af189e454edad1851610b3147fa736e79.html#af189e454edad1851610b3147fa736e79">availableForWrite</a>())</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>      m_serialPort-&gt;<a class="code hl_function" href="classfabgl_1_1_serial_port_adf2404af2ad4bb11154ecb712b7b0c97.html#adf2404af2ad4bb11154ecb712b7b0c97">flowControl</a>(<span class="keyword">true</span>);</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>  };</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>  </div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>  m_terminal-&gt;<a class="code hl_variable" href="classfabgl_1_1_terminal_a44d2671d1cc074e88f6a56c484837cc3.html#a44d2671d1cc074e88f6a56c484837cc3">onReadyToSend</a> = [&amp;](<span class="keywordtype">bool</span> * readyToSend) {</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>    <span class="comment">// suspend/resume TX?</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>    <span class="keywordflow">if</span> (*readyToSend)</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>      *readyToSend = m_serialPort-&gt;<a class="code hl_function" href="classfabgl_1_1_serial_port_af8142810dfa41077384608e625d91a83.html#af8142810dfa41077384608e625d91a83">readyToSend</a>();</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>  };</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>  </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>  m_terminal-&gt;<a class="code hl_variable" href="classfabgl_1_1_terminal_aad360795e74e72a97ad9f17fbc30d955.html#aad360795e74e72a97ad9f17fbc30d955">onSend</a> = [&amp;](uint8_t c) {</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>    m_serialPort-&gt;<a class="code hl_function" href="classfabgl_1_1_serial_port_ac2c4347f8a0459fe5784e701494598ee.html#ac2c4347f8a0459fe5784e701494598ee">send</a>(c);</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>  };</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span>}</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span> </div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="keywordtype">void</span> SerialPortTerminalConnector::rxCallback(<span class="keywordtype">void</span> * args, uint8_t value, <span class="keywordtype">bool</span> fromISR)</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span>{</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>  <span class="keyword">auto</span> obj = (SerialPortTerminalConnector *) args;</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>  <span class="keywordflow">if</span> (obj-&gt;m_serialPortRXEnabled)</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>    obj-&gt;m_terminal-&gt;write(value, fromISR);</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>}</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span> </div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span><span class="keywordtype">bool</span> SerialPortTerminalConnector::rxReadyCallback(<span class="keywordtype">void</span> * args, <span class="keywordtype">bool</span> fromISR)</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>{</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>  <span class="keyword">auto</span> obj = (SerialPortTerminalConnector *) args;</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>  <span class="keywordflow">return</span> obj-&gt;m_terminal-&gt;availableForWrite(fromISR) &gt; 0;</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>}</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span> </div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>} <span class="comment">// end of namespace</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span> </div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span> </div>
<div class="ttc" id="aclassfabgl_1_1_serial_port_ab3aa6a8b37d2b4c5a1dfb4db904f660c_html_ab3aa6a8b37d2b4c5a1dfb4db904f660c"><div class="ttname"><a href="classfabgl_1_1_serial_port_ab3aa6a8b37d2b4c5a1dfb4db904f660c.html#ab3aa6a8b37d2b4c5a1dfb4db904f660c">fabgl::SerialPort::readyToReceive</a></div><div class="ttdeci">bool readyToReceive()</div><div class="ttdoc">Reports whether RX is active.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8h_source.html#l00156">serialport.h:156</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_serial_port_ac2c4347f8a0459fe5784e701494598ee_html_ac2c4347f8a0459fe5784e701494598ee"><div class="ttname"><a href="classfabgl_1_1_serial_port_ac2c4347f8a0459fe5784e701494598ee.html#ac2c4347f8a0459fe5784e701494598ee">fabgl::SerialPort::send</a></div><div class="ttdeci">void send(uint8_t value)</div><div class="ttdoc">Sends a byte.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8cpp_source.html#l00328">serialport.cpp:328</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_serial_port_adf2404af2ad4bb11154ecb712b7b0c97_html_adf2404af2ad4bb11154ecb712b7b0c97"><div class="ttname"><a href="classfabgl_1_1_serial_port_adf2404af2ad4bb11154ecb712b7b0c97.html#adf2404af2ad4bb11154ecb712b7b0c97">fabgl::SerialPort::flowControl</a></div><div class="ttdeci">void flowControl(bool enableRX)</div><div class="ttdoc">Allows/disallows host to send data.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8cpp_source.html#l00284">serialport.cpp:284</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_serial_port_af8142810dfa41077384608e625d91a83_html_af8142810dfa41077384608e625d91a83"><div class="ttname"><a href="classfabgl_1_1_serial_port_af8142810dfa41077384608e625d91a83.html#af8142810dfa41077384608e625d91a83">fabgl::SerialPort::readyToSend</a></div><div class="ttdeci">bool readyToSend()</div><div class="ttdoc">Checks if TX is enabled looking for XOFF received or reading CTS.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8cpp_source.html#l00317">serialport.cpp:317</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_serial_port_html"><div class="ttname"><a href="classfabgl_1_1_serial_port.html">fabgl::SerialPort</a></div><div class="ttdoc">SerialPort class handles UART setup and communications.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8h_source.html#l00065">serialport.h:65</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_terminal_a44d2671d1cc074e88f6a56c484837cc3_html_a44d2671d1cc074e88f6a56c484837cc3"><div class="ttname"><a href="classfabgl_1_1_terminal_a44d2671d1cc074e88f6a56c484837cc3.html#a44d2671d1cc074e88f6a56c484837cc3">fabgl::Terminal::onReadyToSend</a></div><div class="ttdeci">Delegate&lt; bool * &gt; onReadyToSend</div><div class="ttdoc">Delegate called whenever the terminal is ready to send.</div><div class="ttdef"><b>Definition:</b> <a href="terminal_8h_source.html#l01344">terminal.h:1344</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_terminal_aad360795e74e72a97ad9f17fbc30d955_html_aad360795e74e72a97ad9f17fbc30d955"><div class="ttname"><a href="classfabgl_1_1_terminal_aad360795e74e72a97ad9f17fbc30d955.html#aad360795e74e72a97ad9f17fbc30d955">fabgl::Terminal::onSend</a></div><div class="ttdeci">Delegate&lt; uint8_t &gt; onSend</div><div class="ttdoc">Delegate called whenever the terminal need to send a character.</div><div class="ttdef"><b>Definition:</b> <a href="terminal_8h_source.html#l01329">terminal.h:1329</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_terminal_adb2e85d6b57420d26584c431fad05c37_html_adb2e85d6b57420d26584c431fad05c37"><div class="ttname"><a href="classfabgl_1_1_terminal_adb2e85d6b57420d26584c431fad05c37.html#adb2e85d6b57420d26584c431fad05c37">fabgl::Terminal::connectKeyboard</a></div><div class="ttdeci">void connectKeyboard()</div><div class="ttdoc">Connect keyboard to the terminal.</div><div class="ttdef"><b>Definition:</b> <a href="terminal_8cpp_source.html#l00432">terminal.cpp:432</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_terminal_adbd9347d9df529de3a38f645069f6f60_html_adbd9347d9df529de3a38f645069f6f60"><div class="ttname"><a href="classfabgl_1_1_terminal_adbd9347d9df529de3a38f645069f6f60.html#adbd9347d9df529de3a38f645069f6f60">fabgl::Terminal::onReceive</a></div><div class="ttdeci">Delegate&lt; uint8_t &gt; onReceive</div><div class="ttdoc">Delegate called whenever the terminal receives a character.</div><div class="ttdef"><b>Definition:</b> <a href="terminal_8h_source.html#l01337">terminal.h:1337</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_terminal_af189e454edad1851610b3147fa736e79_html_af189e454edad1851610b3147fa736e79"><div class="ttname"><a href="classfabgl_1_1_terminal_af189e454edad1851610b3147fa736e79.html#af189e454edad1851610b3147fa736e79">fabgl::Terminal::availableForWrite</a></div><div class="ttdeci">int availableForWrite(bool fromISR=false)</div><div class="ttdoc">Determines number of codes that the display input queue can still accept.</div><div class="ttdef"><b>Definition:</b> <a href="terminal_8cpp_source.html#l01574">terminal.cpp:1574</a></div></div>
<div class="ttc" id="agroup___enumerations_gae88006c219f95bae663fe0f2a2561dd7_html_gae88006c219f95bae663fe0f2a2561dd7"><div class="ttname"><a href="group___enumerations_gae88006c219f95bae663fe0f2a2561dd7.html#gae88006c219f95bae663fe0f2a2561dd7">fabgl::FlowControl</a></div><div class="ttdeci">FlowControl</div><div class="ttdoc">This enum defines various serial port flow control methods.</div><div class="ttdef"><b>Definition:</b> <a href="serialport_8h_source.html#l00054">serialport.h:54</a></div></div>
<div class="ttc" id="aserialport_8h_html"><div class="ttname"><a href="serialport_8h.html">serialport.h</a></div><div class="ttdoc">This file contains fabgl::SerialPort definition.</div></div>
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